中年女性，突发右腰部及右下腹部剧痛，伴恶心。超声显示右肾轻度

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问题单项选择题

中年女性，突发右腰部及右下腹部剧痛，伴恶心。超声显示右肾轻度积水，最可能的诊断是

A．阑尾炎

B．右侧附件炎

C．右输尿管结石

D．有输尿管肿瘤

E．膀胱结石、膀胱炎

答案

参考答案：C

解析：根据超声表现以及临床表现。

阅读理解

任务型阅读。

My name is Carl. I have a good friend . His name is Ding Ding . We live in the same dormitory.

He is polite when he meets teachers, he always says " hello " to them. And he likes smiling very much.

His smiling face makes us happy. He likes helping others, too, Look! There's an old woman

carrying a heavy box . He runs to her and says " Can I help you ? "

"No, thanks." the woman answers. "I can do it by myself. "

Why does she say that? Because older people in America don't think they need a lot of help.

1. Ding Ding comes from .

2. Carl with Ding Ding.

3. People like seeing Ding Ding's face.

4. The old woman is carrying a box.

5. The woman want Ding Ding to help her.

单项选择题

根据( )标准，金融市场可能分为现货市场和衍生市场。

A．交易对象
B．中介特征
C．价格形成方式 D．交割方式